upcase.c

/* * fhist - file history and comparison tools * Copyright (C) 1998, 2002 Peter Miller; * All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. * * MANIFEST: functions to manipulate upcases */#include <sub/private.h>#include <sub/upcase.h>#include <trace.h>#include <wstr_list.h>/* * NAME * sub_upcase - the upcase substitution * * SYNOPSIS * string_ty *sub_upcase(wstring_list_ty *arg); * * DESCRIPTION * The sub_upcase function implements the upcase substitution. * The upcase substitution is replaced by the single argument * mapped to upper case. * * Requires exactly one argument. * * ARGUMENTS * arg - list of arguments, including the function name as [0] * * RETURNS * a pointer to a string in dynamic memory; * or NULL on error, setting suberr appropriately. */
wstring_ty *
sub_upcase(sub_context_ty *scp, wstring_list_ty *arg)
{
wstring_ty *result;
trace(("sub_upcase()\n{\n"));
if (arg->nitems != 2)
{
sub_context_error_set(scp, i18n("requires one argument"));
result = 0;
}
else
result = wstr_to_upper(arg->item[1]);
trace(("return %8.8lX;\n", (long)result));
trace(("}\n"));
return result;
}